Distance From Grant County Regional Airport / Ogilvie Field to Singapore Changi Airport, JDA - SIN Distance

The distance from Grant County Regional Airport / Ogilvie Field (JDA) to Singapore Changi Airport (SIN) is 8320 miles or 13389 kilometers or 7225 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from John Day ( United States ) to Singapore ( Singapore )?

A one-way nonstop (direct) flight between John Day and Singapore takes around 19 hours 7 minutes.

Estimated flight time from Grant County Regional Airport / Ogilvie Field, John Day, United States to Singapore Changi Airport, Singapore, Singapore is 19 hours 7 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • JDA - SIN

Kilometers		13389 km
Statute Miles		8320 miles
Nautical Miles		7225 nm
Avg. Time of Flight		19 hours 7 minutes

Grant County Regional Airport / Ogilvie Field to Singapore Changi Airport Flight Route Map - JDA to SIN Flight Path

Location of Grant County Regional Airport / Ogilvie Field & Singapore Changi Airport is given below.
Click the map to view John Day to Singapore nonstop flight path and travel direction.

Click to see flight route on Google Map between John Day, United States and Singapore, Singapore. .

Nonstop flight route between John Day, United States and Singapore, Singapore.

Time Difference Between the Airports • JDA - SIN

Time difference between John Day (United States) and Singapore (Singapore) is 15 Hours.
Singapore time is 15 Hours ahead of John Day.

Location	Local Time
John Day (United States)	2025-12-15, 05:41:35 MST
Singapore (Singapore)	2025-12-15, 20:41:35 +08

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Grant County Regional Airport / Ogilvie Field (JDA / KGCD) John Day, United States

Destination

Singapore Changi Airport (SIN / WSSS) Singapore, Singapore